package design._01_factory.simple1._01;
//柱状图类：具体产品类
public class HistogramChart  implements Chart {
	
	public HistogramChart() {
		System.out.println("创建柱状图！");
	}
	
	@Override
	public void display() {
		System.out.println("显示柱状图！");
		
	}

}
